21. That left the stock rated a buy by 9 analysts and a strong buy by 14. 22. Stocks rated 1 . 5 to 2 had excess returns of 1 . 2 percentage points.23. Salomon spokeswoman Susan Thomson denied that Weill pressured Grubman to change his AT & T stock rating . 24. Bear Stearns analyst Dana Tesley cut her stock rating to " neutral " from " attractive ." 25. It made the same cut for the preferred stock rating of Northeast Utilities'unit, Western Massachusetts Electric Co. 26. Stocks rated 2 . 5 to 3 returned 4 . 1 percentage points less than the market.27. A stock rating by a high-profile Wall Street firm will often drive share prices up or down. 28. Salomon spokeswoman Susan Thomson denied that Weill pressured Grubman to change his AT & amp; T stock rating . 29. Brown analyst W . Christopher Mortenson cut his stock rating to " neutral " from " buy ." 30. For stock rating changes : BBN33.