Alphabet CEO Sundar Pichai. Justin Sullivan/Getty Images Alphabet shares hit all-time highs Wednesday following first-quarter results that beat expectations. Earnings of $26.29 per share came in higher than the $15.82 per share estimate from Refinitiv. Alphabet also got authorization from its board to repurchase up to an additional $50 billion of its shares. See more stories on Insider's business page. Shares of Google parent Alphabet hit record intraday highs on Wednesday after the company posted first-quarter earnings and revenue that beat Wall Street expectations. The tech giant was also authorized by its board to repurchase up to an additional $50