AgroFresh Solutions Inc. (AGFS) had a good day on the market for Friday September 27 as shares jumped 16.44% to close at $2.62. About 182,622 shares traded hands on 1,001 trades for the day, compared with an average daily volume of n/a shares out of a total float of 51.44 million. After opening the trading day at $2.26, shares of AgroFresh Solutions Inc. stayed within a range of $2.65 to $2.23.

Fair Isaac Corproation (FICO) had a rough trading day for Friday September 27 as shares tumbled 5.86%, or a loss of $-18.61 per share, to close at $298.98. After opening the day at $318.64, shares of Fair Isaac Corproation traded as high as $318.64 and as low as $296.24. Volume was 331,131 shares over 7,704 trades, against an average daily volume of n/a shares and a total float of 28.9 million.

September 27 was a positive day for Just Energy Group Inc. (JE:CA) as its stock finished the day having gained 28.63% to hit a price of $2.92 a share. The company reached a market cap of 441.45 million and has 151.19 million shares outstanding. Just Energy Group Inc. is a component of the the S&P/TSX Composite Index.

Among the S&P 500’s biggest fallers on Friday September 27 was Micron Technology Inc. (MU). The stock experienced a 11.09% decline to $43.21 with 75.55 million shares changing hands.