Cerplex Group Inc.: The Tustin electronic repair and service company that went public last year posted an annual profit of $684,000, or 5 cents a share, a 62% drop from the previous year’s profit of $1.8 million, or 16 cents a share. Last year’s net income included a one-time charge of $2 million from repaying a debt early. Annual revenue rose 61% to $126.9 million from $78.9 million. For the fourth quarter, the company lost $2.6 million, or 18 cents a share, compared with the previous year’s loss of $2.9 million, or 26 cents a share. Quarterly revenue more than doubled to $38.3 million from $16.2 million.