Chicago Equity Partners LLC lowered its position in shares of TransUnion (NYSE:TRU) by 45.0% during the fourth quarter, according to its most recent disclosure with the Securities & Exchange Commission. The firm owned 4,105 shares of the business services provider’s stock after selling 3,360 shares during the period. Chicago Equity Partners LLC’s holdings in TransUnion were worth $233,000 as of its most recent SEC filing.

Investors purchased shares of Amazon.com, Inc.(NASDAQ:AMZN) on weakness during trading on Thursday. $1,262.28 million flowed into the stock on the tick-up and $1,025.88 million flowed out of the stock on the tick-down, for a money net flow of $236.40 million into the stock. Of all equities tracked, Amazon.com had the 4th highest net in-flow for the day. Amazon.com traded down ($4.59) for the day and closed at $1,686.22

Creative Planning lifted its holdings in ArcelorMittal SA (NYSE:MT) by 34.0% in the fourth quarter, according to its most recent filing with the Securities and Exchange Commission (SEC). The institutional investor owned 10,848 shares of the basic materials company’s stock after purchasing an additional 2,753 shares during the quarter. Creative Planning’s holdings in ArcelorMittal were worth $224,000 as of its most recent SEC filing.

Strategic Education Inc (NASDAQ:STRA) – Equities researchers at First Analysis issued their FY2018 earnings estimates for shares of Strategic Education in a research note issued on Monday, February 18th, according to Zacks Investment Research. First Analysis analyst C. Greendale expects that the health services provider will post earnings of $4.73 per share for the year. First Analysis also issued estimates for Strategic Education’s Q4 2018 earnings at $1.72 EPS and FY2019 earnings at $6.36 EPS.

Plug Power Inc. (PLUG) had a rough trading day for Friday March 15 as shares tumbled 15.06%, or a loss of $-0.39 per share, to close at $2.20. After opening the day at $2.59, shares of Plug Power Inc. traded as high as $2.60 and as low as $2.04. Volume was 14.89 million shares over 33,154 trades, against an average daily volume of n/a shares and a total float of 233.84 million.

GlycoMimetics Inc. (GLYC) had a good day on the market for Friday March 15 as shares jumped 5.95% to close at $12.10. About 778,524 shares traded hands on 1,920 trades for the day, compared with an average daily volume of n/a shares out of a total float of 43.17 million. After opening the trading day at $11.43, shares of GlycoMimetics Inc. stayed within a range of $12.14 to $11.42.

FARO Technologies Inc. (FARO) had a good day on the market for Friday March 15 as shares jumped 5.86% to close at $47.86. About 322,530 shares traded hands on 1,946 trades for the day, compared with an average daily volume of n/a shares out of a total float of 17.25 million. After opening the trading day at $45.48, shares of FARO Technologies Inc. stayed within a range of $48.13 to $45.24.

Tetra Technologies Inc. (TTI) had a good day on the market for Friday March 15 as shares jumped 8.05% to close at $2.55. About 2.15 million shares traded hands on 3,362 trades for the day, compared with an average daily volume of 1.02 million shares out of a total float of 125.63 million. After opening the trading day at $2.36, shares of Tetra Technologies Inc. stayed within a range of $2.55 to $2.35.

Overstock.com Inc. (OSTK) had a rough trading day for Thursday March 14 as shares tumbled 5.98%, or a loss of $-1.27 per share, to close at $19.95. After opening the day at $21.08, shares of Overstock.com Inc. traded as high as $21.15 and as low as $19.83. Volume was 1.35 million shares over 7,857 trades, against an average daily volume of n/a shares and a total float of 32.15 million.

Among the S&P 500’s biggest fallers on Thursday March 14 was Dollar General Corporation (DG). The stock experienced a 7.49% decline to $111.64 with 11.27 million shares changing hands.