Hello, this is Leonie Kidd writing to you from London. Welcome to today's edition of the Daily Open newsletter. Each time the tech sector takes another leg down, the same question is raised: Is this the start of a more serious correction, or is it a buying opportunity? Wall Street returned from a long weekend with a negative view on tech stocks . The Nasdaq Composite led declines on Monday with a drop of 1.32% to end at 26,166.60. Investors rotated out of the "Magnificent Seven" names, with