The board of directors of AT&T (T) declared a quarterly dividend of $0.52 a share on the company's common shares. The dividend is payable on November 2, 2020, to stockholders of record at the close of business on October 12, 2020.

Marvell Technology Group (MRVL) announced a quarterly dividend of $0.06 per share of common stock payable on October 28, 2020 to shareholders of record as of October 12, 2020.

Computer Services (CSVI) announced that its Board of Directors approved a quarterly cash dividend of $0.25 per share. The dividend is payable on December 28, 2020, to shareholders of record as of the close of business on December 1, 2020.

The Lockheed Martin Corporation (LMT) board of directors has authorized a fourth quarter 2020 dividend of $2.60 per share, representing an increase of $0.20 per share over last quarter. The dividend is payable on Dec. 24, 2020, to holders of record as of the close of business on Dec. 1, 2020.

OGE Energy Corp. (OGE) has approved an increase in the company's quarterly dividend to $0.4025 per share from $0.3875 per share, which represents growth of approximately 4 percent and equates to $1.61 per share annually. The increase is effective with the fourth quarter 2020 dividend and will be paid Oct. 30, 2020, to shareholders of record Oct. 13, 2020.