We recently published 10 Stocks Struggling to Shine Ahead of Christmas. Lumen Technologies, Inc. (NYSE:LUMN) is one of the worst performers on Monday. Lumen Technologies ended two straight days of gains on Monday, slashing 5.13 percent to close at $7.77 apiece as investors turned cautious after the company announced a plan to buy back some of its debt early. According to Lumen Technologies, Inc. (NYSE:LUMN), it would redeem early all its notes due 2029, 2030, and 2031. While the offer stands to benefit ...