NEW YORK ( TheStreet) -- The following stocks received downgrades from TheStreet Ratings last week: Clean Energy Fuels ( CLNE), NYSE Euronext ( NYX), VCA Antech ( WOOF), Apache ( APA), Leucadia National ( LUK), Progress Software ( PRGS), Express ( EXPR) and Colfax ( CFX). Clean Energy Fuels was downgraded to sell from hold by TheStreet Ratings on Friday. TheStreet Ratings gives Clean Energy Fuels a D+ grade.
NYSE Euronext was downgraded to hold from buy at TheStreet Ratings on Friday. TheStreet Ratings gives NYSE Euronext a C+ grade.
VCA Antech was downgraded to hold from buy at TheStreet Ratings on Friday. TheStreet Ratings gives VCA Antech a C+ grade.
VCA Antech was downgraded to hold from buy at TheStreet Ratings on Friday. TheStreet Ratings gives VCA Antech a C+ grade.
Apache was downgraded to hold from buy at TheStreet Ratings on Wednesday. TheStreet Ratings gives Apache a C+ grade.
Leucadia National was downgraded to hold from buy at TheStreet Ratings on Wednesday. TheStreet Ratings gives Leucadia National a C+ grade.
Leucadia National was downgraded to hold from buy at TheStreet Ratings on Wednesday. TheStreet Ratings gives Leucadia National a C+ grade.
Progress Software was downgraded to hold from buy at TheStreet Ratings on Wednesday. TheStreet Ratings gives Progress Software a C+ grade.
Express was downgraded to hold from buy at TheStreet Ratings on Wednesday. TheStreet Ratings gives Express a C grade.
Express was downgraded to hold from buy at TheStreet Ratings on Wednesday. TheStreet Ratings gives Express a C grade.
Colfax was downgraded to hold from buy at TheStreet Ratings on Tuesday. TheStreet Ratings gives Colfax a C grade. -- Written by Alexandra Zendrian >To contact the writer of this article, click here: Alexandra Zendrian >To submit a news tip, send an email to: tips@thestreet.com. >To follow the writer on Twitter, go to Alexandra Zendrian.