Apple still on top as U.S. corporate cash holdings reach $1.73 trillion By: MarketWatch May 07, 2015 at 13:59 PM EDT U.S. non-financial companies held $1.73 trillion in cash at end 2014, 4% higher than the previous year, according to a Moody’s study. Read More >> Related Stocks: Apple Facebook Microsoft Pfizer SanDisk Corp The Priceline Group