 Companies whose shares hit fresh all-time highs today include Microsoft, Google parent Alphabet, TJ Maxx and Marshalls parent TJX Companies, and Amazon, which hit a $2 trillion market cap for the first time today. Nvidia shares pulled back another 1% today. One investor says after Nvidia topped Microsoft as the biggest company in the world by market value, it was such a quick run-up, a drawdown is a good thing.