Apple and the Art of the Buyback

Elevated buybacks likely a major factor helping stock price as market value record comes in reach

If Apple does indeed reach a market value of $1 trillion, the accomplishment may be all the more unique given the company’s effort to lighten its massive cash load.

Apple has been buying back its own shares at a furious clip since last year’s tax-overhaul package freed up more than $250 billion that the company had accumulated in its offshore bank accounts. Apple repurchased about 137 million shares on the open market during its fiscal second quarter that ended March 31, which is more than triple the pace of buybacks averaged...