Wednesday began with a critical piece of advice for some 9.4 million people who follow Donald Trump on Truth Social. Trump posted on his social media site - "This is a great time to buy!!!" This was at 9:37 am EST, just after the New York Stock Exchange opened. Four hours later, he made a U-turn on his tariffs. He paused and lowered tariffs on imports from most nations for 90 days. And what was the result? The markets soared, but the move has also incited allegations of market manipulation. NDTV's Arzoo Tanwar explains.