** The "Magnificent Seven" group of megacap stocks up in premarket trading after the United States and China reached a deal to cut down reciprocal tariffs
** Tesla TSLA.O leading gains with a 7% climb, while Nvidia NVDA.O up 4.5%; Meta Platforms META.O and Amazon.com AMZN.O rise between 5% and 6.5%
** Apple AAPL.O up 6.5%, Microsoft MSFT.O and Alphabet GOOGL.O advance between 2% and 3%
** Stocks across the U.S. advance sharply after the world's two biggest economies agreed to a 90-day pause (effective from May 14 until August 12) and a 115% reduction in reciprocal tariffs, with global stocks also surging ahead
** Separately, pharma stocks slump as U.S. President Donald Trump announces an executive order to cut prescription prices to match those in other wealthy countries, with reductions of 30% to 80%
** The S&P 500 .SPX index has lost 3.8% YTD, through last close
(Reporting by Rashika Singh)
((Rashika.Singh@thomsonreuters.com;))