The semiconductor equipment giant sees sunnier days ahead.Lam Research (LRCX 1.30%) recently made two major announcements. First, it approved a 10-for-1 stock split, which should take place on Oct. 2. That will mark its third stock split following its 3-for-2 split in 1993 and 3-for-1 split in 2000.Second, Lam approved a $10 billion buyback plan with no termination date. CFO Doug Bettinger said the buyback would be consistent with its "plan to return 75% to 100% of free cash flow to stockholders" through di ...