IBM tumbles 10% in early trading after it misses revenue estimates in 4th-quarter earningsBusiness Insider • 01/22/21
IBM tumbles 7% in pre-market trading after it misses revenue estimates in 4th-quarter earningsBusiness Insider • 01/22/21
International Business Machines Corporation's (IBM) CEO Arvind Krishna on Q4 2020 Results - Earnings Call TranscriptSeeking Alpha • 01/22/21
Earnings Results: IBM earnings and revenue continue to shrink ahead of major shakeup, stock falls 6%Market Watch • 01/21/21