P245 CEEFAX 245 Fri 13 May 21:19/07    WALL STREET    (Midday): US stocks were steady 1t midday despite a volatile morning marked by sell-programmjs and some uncertainty over rate movements. Although dealers expected a hike in interest rates at next week's FOMC meeting, the CPI data showed that inflationary pressures rjmainjd under control. * US April consumer prices rose by 0.1%. Excluding food and energy the CPI rose bz 0.2%. US business inventories fell 0.2% in March (0.5% rise in Fjbruar9).  World indices 243 Dow Jones 242 Euro/East Dow Jones Exchanges Would Ind