CareDx, Inc (NASDAQ:CDNA – Get Free Report) fell 5.2% during trading on Wednesday . The company traded as low as $27.84 and last traded at $27.89. 538,047 shares were traded during mid-day trading, a decline of 41% from the average session volume of 912,551 shares. The stock had previously closed at $29.41.

Alector, Inc. (NASDAQ:ALEC – Get Free Report) CFO Marc Grasso sold 7,297 shares of the firm’s stock in a transaction that occurred on Tuesday, September 3rd. The shares were sold at an average price of $4.88, for a total transaction of $35,609.36. Following the completion of the sale, the chief financial officer now directly owns 130,740 shares in the company, valued at approximately $638,011.20. The sale was disclosed in a document filed with the Securities & Exchange Commission, which can be accessed through this link.

Ford Motor (NYSE:F – Get Free Report)’s share price traded down 1.8% during trading on Tuesday . The stock traded as low as $10.94 and last traded at $10.99. 11,868,125 shares traded hands during mid-day trading, a decline of 78% from the average session volume of 54,194,645 shares. The stock had previously closed at $11.19.

Shares of Saia, Inc. (NASDAQ:SAIA – Get Free Report) traded up 3.2% on Tuesday . The company traded as high as $388.94 and last traded at $387.93. 148,679 shares changed hands during mid-day trading, a decline of 62% from the average session volume of 393,134 shares. The stock had previously closed at $375.83.

General Electric (NYSE:GE – Get Free Report)’s share price traded down 4.6% during trading on Tuesday . The company traded as low as $166.35 and last traded at $166.55. 1,544,431 shares traded hands during mid-day trading, a decline of 77% from the average session volume of 6,726,076 shares. The stock had previously closed at $174.62.

Dollar General Co. (NYSE:DG – Get Free Report)’s stock price was up 3.3% during trading on Tuesday . The company traded as high as $86.10 and last traded at $85.71. Approximately 6,371,961 shares were traded during trading, an increase of 130% from the average daily volume of 2,766,487 shares. The stock had previously closed at $82.97.

Beyond, Inc. (NYSE:BYON – Get Free Report) was the target of a large increase in short interest during the month of August. As of August 15th, there was short interest totalling 5,670,000 shares, an increase of 16.7% from the July 31st total of 4,860,000 shares. Based on an average trading volume of 2,210,000 shares, the days-to-cover ratio is presently 2.6 days. Currently, 12.6% of the company’s shares are sold short.

Albemarle Co. (NYSE:ALB – Get Free Report) was the recipient of a large decline in short interest in the month of August. As of August 15th, there was short interest totalling 12,310,000 shares, a decline of 15.0% from the July 31st total of 14,490,000 shares. Based on an average trading volume of 3,160,000 shares, the short-interest ratio is presently 3.9 days.

Hasbro, Inc. (NASDAQ:HAS – Get Free Report) was the recipient of a large decline in short interest during the month of August. As of August 15th, there was short interest totalling 4,060,000 shares, a decline of 12.5% from the July 31st total of 4,640,000 shares. Approximately 3.1% of the company’s shares are short sold. Based on an average daily volume of 1,770,000 shares, the short-interest ratio is currently 2.3 days.

Allegro MicroSystems, Inc. (NASDAQ:ALGM – Get Free Report) saw a significant increase in short interest during the month of August. As of August 15th, there was short interest totalling 8,880,000 shares, an increase of 5.7% from the July 31st total of 8,400,000 shares. Based on an average daily trading volume, of 2,010,000 shares, the short-interest ratio is currently 4.4 days. Currently, 6.7% of the shares of the company are short sold.