C&L: Comverse severs ties with execs amid stock scandal

Comverse severed ties with ex-CEO Kobi Alexander and two other former Comverse executives--David Kreinberg, ex-executive vice president and CFO, and William Sorin, ex-director and general counsel after the three were charged with stock fraud. Kobi is believed to be on the run in Israel.

Sprint Nextel COO Len Lauer resigned amid the company's poor 2Q earnings.

Crown Castle International named its CFO W. Benjamin Moreland to its board of directors.

Titan Global Holdings promoted Bryan Chance to president and COO.

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