WHY IS US STOCK MARKET DOWN TODAY? DOW JONES RISES 0.01%, S&P 500 FALLS 0.16%, NASDAQ SLIPS 0.39% AHEAD OF NVIDIA EARNINGS, PAYPAL PLUNGES & FED RATE OUTLOOK; CHECK WHAT INVESTORS SHOULD KNOW - THE SU

Nvidia earnings, Fed rate outlook, and PayPal plunge drive market-moving headline.