Shares of technology behemoths, and electric vehicle maker Tesla Inc. TSLA, -0.54% , pulled sharp U-turns in premarket trading to dive into negative territory after data showing that inflation rose more than expected in June. Of the top-5 companies by market capitalization, shares of Apple Inc. AAPL, +0.68% fell 1.9%, Microsoft Corp. MSFT, -4.10% dropped 1.8%, Alphabet Inc. GOOGL, -1.43% GOOG, -1.44% slid 2.0%, Amazon.com Inc. AMZN, -2.26% shed 2.0% and Tesla sank 3.3%.