Sycamore Networks, (SCMR: chart), announced that its profit in Q3 improved margins and lowered expenses. The company also said it has been informed that the Securities and Exchange Commission has started a formal investigation related to company stock option grants in the calendar years 1999 through 2001 and noted that it has completed an independent probe of this matter, resulting in a restatement of its financial results for the fiscal years 2000 through 2004, and said it plans to cooperate fully with the SEC on the matter.

Monro Muffler Brake Inc., (MNRO: chart), provider of automotive undercar repair, reported Q4 earnings of 21 cents a share, up from a profit of 19 cents a share a year-ago. If not for a charge from stock-based compensation, the company posted a profit of 23 cents a share. Sales advanced 8.8% in Q4 to $88.3 million from $81.1 million in the same period a year ago and same-store sales slid 0.4%. The company met analysts’ estimate for a profit of 23 cents a share.

CBRL Group Inc., (CBRL: chart), operator of restaurants, reported that Q3 income dropped to 47 cents a share, from 52 cents a year earlier. If not for charges for stock-option expense, asset impairment and other items, earnings would have been 59 cents a share. Revenue advanced to $644.2 million from $628 million a year ago. Excluding items the company topped analysts’ forecasts for earnings of 50 cents a share.

Toll Brothers Inc, (TOL: chart), luxury home builder, reported that Q2 earnings advanced to $1.06 per share, up from $1.00 per share a year ago on higher pricing, beating analysts’ expectations for a profit of $1.03 per share. The company lowered its earnings forecast for the fiscal year, a further sign of the slowing U.S. housing market.

Tech Data Corp, (TECD: chart), distributor of information technology products, reported Q1 earnings of 23 cents a share, down from a profit of 56 cents a share a year-ago. On a non-GAAP basis, aside from restructuring charges and consulting costs, the company earned 39 cents a share. On a non-GAAP continuing operations basis, aside from a $3.8 million gain from the sale of its training business for the Europe, Middle East and Africa region as well as $100,000 in income from the business, the company earned 32 cents a share in Q1. Sales shed 2.4% in Q1. The company topped analyst estimate of analysts for a profit of 32 cents a share on a non-GAAP basis.