BUZZ-Regus: Investec cuts to "hold" after share outperformance
** Office space provider's shares down 5 pct, top FTSE midcap loser after Investec (LSE: INVP.L - news) cuts rating to "hold" from "buy", raises PT to 295p from 260p
** Investec raises PT in anticipation of good trading update on Aug 25, but says share strength has priced in much of stock's upside
** Stock has gained 31.5 pct YTD, compared with an 8 pct rise by FTSE midcaps and a 5.6 pct rise in the FTSE 350 Support Services Index
** Worst day for stock in 3 mths, with half of its daily avg volumes going through in the first 45 mins of trade (venkateshasoumithri.mamidipudi.thomsonreuters.com@reuters.net)