FTSE 100 firms ahead of Fed minutes, Marks & Spencer swings to profit
London stock market investors were sinking their teeth into a groaning board of company updates early Wednesday, lifting prices, as they await two key reports: the Gray inquiry into 'partygate' in the UK and the minutes of the most recent US Fed policy meeting.The FTSE 100 index was up 31.91 points, or 0.4%, at 7,516.26 early Wednesday. The mid-cap FTSE 250 index was up 94.83 points, or 0.5%, at 1