OptionsXpress (OXPS) sits near $10 per share and 2.7 percent off the lows of the day after Briefing ran an Insider Watch report that noted Chairman John Gray has been a buyer of shares since late Jan at prices ranging from $10.53 to $11.18, bringing his stake to 10.7 mln shares, or 18 percent of outstanding. The note also rehashed takeover talk, saying that there is a possibility OptionsXrpess could be involved in a merger since it has large cash balance representing $3.4 per share and no debt.