Having failed in various attempts to acquire companies and inject its cash into them, Computer Memories Inc, Chatsworth, California, remains a shell containing nearly $30m in cash: latest development at the company that died as a business after IBM ended its enormous OEM contract for Winchesters is that a group led by Sun Equities Corp has increased its stake in the company to 30.47% from 27.28%, and says that it may buy more of the shares.