The S&P 500 finished at an all-time high of 3,120.46. Unfortunately for these stocks, they had nothing to contribute this week. These stocks were 3 of the worst performers in the S&P 500 this week. TheStreet's expert analyst team calculated the list and put together the stocks below.

1) CenterPoint Energy Inc (CNP) - Get Report  | Percentage Decrease: -11.47% | Friday Closing Price: $25.48

CenterPoint Energy Inc was downgraded by four wall street firms on Friday which sent the stock down over -11%. CenterPoint Energy also

experienced outages in the Twin Cities

, leaving customers in the cold.

CenterPoint Energy Inc Quantitative Analysis by TheStreet Quant Ratings

TheStreet Quant Ratings rates CenterPoint Energy Inc as a Buy with a rating score of B*. *These ratings came out before the wall street firms downgraded CenterPoint Energy Inc

2) Mohawk Industries Inc  (MHK) - Get Report  | Percentage Decrease: -7.71% | Friday Closing Price: $140.31

Mohawk Industries shares closed down in the summer after the flooring company reported second-quarter revenue that missed analyst estimates.

Mohawk Industries Inc Quantitative Analysis by TheStreet Quant Ratings

TheStreet Quant Ratings rates Mohawk Industries as a Hold with a rating score of C.

3) Coty Inc. (COTY) - Get Report | Percentage Decrease: -7.24% | Friday Closing Price: $11.91

Coty shares were rising in October after the cosmetics company said it was exploring strategic options, including a divestiture, for its professional beauty business and its Brazilian operations.

Coty Inc. Quantitative Analysis by TheStreet Quant Ratings

TheStreet Quant Ratings rates COTY INC. as a Hold with a rating score of C.

NOTE: Recently, Quantitative Analysis by TheStreet Quant Ratings objectively rated these stocks according to its risk-adjusted total return prospect over a 12-month investment horizon. Not based on the news on any given day, the rating may differ from Jim Cramer's view or that of this articles' author.

CSCO was one of the bottom 3 performers in the S&P 500 this week but was featured in the Bottom 3 of the Dow losers yesterday.