U.S. stocks could start the week on a tentative note, going by the trading in the futures market. The subdued mood comes on the back of a very solid performance so far this year. Nvidia Corp. (NASDAQ:NVDA) will likely extend its slide and exert downward pressure on tech stocks. A bullish analyst, on the other hand, predicts an incremental 15% gain for tech stocks in the second-half of the year. Daniel Ives from Wedbush expectstech fundamentals to accelerate as AI use cases materially expand. On Monday, traders could keep an eye on bond yields amid the release of two manufacturing activity read…