CoreWeave (CRWV -9.60%) stock got hit with a big pullback in Thursday's trading. The company's share price fell 9.6% in a session that saw the S&P 500 (^GSPC 0.27%) rise 0.3% and the Nasdaq Composite (^IXIC 0.09%) trade essentially flat with the previous day's close.CoreWeave's valuation took a hit today after an investment firm pivoted away from its bullish position on the stock in new coverage. Despite the pullback, the company's share price is still up roughly 246% from market close on the day of its ini ...