** Shares in IT company Wavestone WAVE.PA fall 4.7% after a drop in Q1 revenue
** Its revenue came in at 231.5 million euros ($267.59 million) in the first quarter of its fiscal year, down from 232.4 million euros a year ago
** Midcap Partners analysts says the difference with their expectations is due to a decline in the activity rate to 71% compared with 72% expected
** Both Midcap Partners and Portzamparc cut their ratings to "Hold" from "Buy" after the results
** Shares in Wavestone are on track for their worst day since March 13, if losses hold
($1 = 0.8651 euros)
(Reporting by Mathias de Rozario in Gdansk)
((mathias.derozario@thomsonreuters.com;))