Justin Sullivan / Getty Images Nvidia shares climbed to a fresh high Wednesday, pushing the chipmaker's market value over $5 trillion Key Takeaways Major U.S. equites indexes climbed to fresh records Wednesday afternoon ahead of a Federal Reserve decision on interest rates. Nvidia became the first company to reach a market capitalization of$5 trillion market, as its stock climbed to new highs. Fiserv shares plummeted after the financial tech firm posted weaker-than-expected results and announced exe ...