Renowned stock-picker Mark Rogers and his analyst team at The Motley Fool UK have named 6 shares that they believe UK investors should consider buying NOW.So if you’re looking for more stock ideas to try and best position your portfolio today, then it might be a good day for you. Because we’re offering a full 33% off your first year of membership to our flagship share-tipping service, backed by our ‘no quibbles’ 30-day subscription fee refund guarantee. Simply click below to discover how you can take advantage of this. UK share markets are continuing their rapid ascent as the news surrounding the Covid-19 crisis gets ever brighter. Take the FTSE 250 for example. Britain’s second-tier index is now trading 1% higher in Tuesday business and, at around 19,760 points, is now trading at levels not seen since the end of February.Positive news surrounding the hunt for a Covid-19 vaccine has sent UK share prices through the roof this month. The FTSE 100’s up 15% since the beginning of November and could gain on further news on the vaccine testing front. Yesterday, was the turn of AstraZeneca to announce terrific testing news of its own.5G is here – and shares of this ‘sleeping giant’ could be a great way for you to potentially profit!According to one leading industry firm, the 5G boom could create a global industry worth US$12.3 TRILLION out of thin air…And if you click here we’ll show you something that could be key to unlocking 5G’s full potential…Additionally, UK share prices have gained following confirmation that England’s second Covid-19 lockdown will cease on 2 December.Thinking long-termSo the Covid-19 news flow has been more favourable for UK share markets in recent weeks. But could British stock investors be getting a bit too giddy by piling in again?Unless one has a crystal ball, it’s impossible to say. Developments on the Covid-19 front have certainly been more promising in recent weeks. News that Donald Trump is preparing for an orderly transition of power to president-elect Joe Biden has soothed investor nerves too.Still, there are plenty of reasons to remain concerned about the global economy. Big questions over the effectiveness and the rollout of a coronavirus vaccine are still to be answered. And, in the meantime, Covid-19 infection rates continue to soar all over the world. Meanwhile, the threat of a no-deal Brexit in just over a month also looms large. There’s still plenty of reason why UK share prices could reverse sharply again.Top UK shares in my ISAFor these reasons I haven’t gone on a buying spree of UK shares. Investing solely on the basis of what you think stock markets will do in the short term is often a recipe for disaster.That’s not to say I’ve stopped buying UK shares altogether. Provided that one buys quality stocks as part of a long-term investing strategy there’s every chance of generating brilliant shareholder returns. Over this sort of timescale the adverse impact of share market volatility tends to be greatly diminished.I buy UK shares in my Stocks and Shares ISA with a view to holding them for a minimum of 10 years. Some shares like Unilever, Diageo and Coca-Cola HBC are stocks I don’t expect to sell at any point, given the eternal popularity of their products. Others I’ve bought like brick manufacturer Ibstock because I expect them to make big profits over the next decade. This particular UK share should see the bottom line surge as Britain steps up homebuilding activity during the 2020s.There are lots of other top stocks like these I’m thinking of buying for my ISA today. And investors can boost their chances of finding the best UK shares out there with the help of experts like The Motley Fool. Click here to claim your copy now — and we’ll tell you the name of this Top US Share… free of charge! Royston Wild owns shares of Coca-Cola HBC, Diageo, Ibstock, and Unilever. The Motley Fool UK has recommended Diageo, Ibstock, and Unilever. Views expressed on the companies mentioned in this article are those of the writer and therefore may differ from the official recommendations we make in our subscription services such as Share Advisor, Hidden Winners and Pro. Here at The Motley Fool we believe that considering a diverse range of insights makes us better investors. Stock market rally: this is how I’m buying UK shares in an ISA to get rich Royston Wild | Tuesday, 24th November, 2020 See all posts by Royston Wild Our 6 ‘Best Buys Now’ Shares “This Stock Could Be Like Buying Amazon in 1997” I’m sure you’ll agree that’s quite the statement from Motley Fool Co-Founder Tom Gardner.But since our US analyst team first recommended shares in this unique tech stock back in 2016, the value has soared.What’s more, we firmly believe there’s still plenty of upside in its future. In fact, even throughout the current coronavirus crisis, its performance has been beating Wall St expectations.And right now, we’re giving you a chance to discover exactly what has got our analysts all fired up about this niche industry phenomenon, in our FREE special report, A Top US Share From The Motley Fool. Enter Your Email Address I would like to receive emails from you about product information and offers from The Fool and its business partners. Each of these emails will provide a link to unsubscribe from future emails. More information about how The Fool collects, stores, and handles personal data is available in its Privacy Statement. Image source: Getty Images.