There are 2 big catalysts that could spark a stock market rally this week, according to Fundstrat

• Investors should expect a stock market rally this week amid two big catalysts, according to Fundstrat's Tom Lee.
• Lee expects solid earnings from Nvidia and dovish comments from Fed Chair Jerome Powell at Jackson Hole.
• "I think the Fed might be worried something's going to break" amid a renewed surge in interest rates, Lee said.

 The stock market's 5% sell-off in August is likely to find its bottom this week and stage a rally amid two big market-moving catalysts, according to Fundstrat's Tom Lee.