QRG Capital Management Inc. has increased its stake in CenterPoint Energy by 6.5% in the second quarter, bringing its total holdings to 21,214 shares. This enhancement, which involved acquiring an additional 1,301 shares, underscores ongoing investor confidence in the utilities provider.

Financial data from the second quarter shows CX Institutional boosting its holdings in Amphastar Pharmaceuticals by 220.5%. This move involves the purchase of more than 180,000 additional shares, totaling a $6.05 million investment in the NASDAQ-listed firm.