Complex sentence: Later in January 2015, the New York Stock Exchange warned that RadioShack would be delisted if its average market capitalization remained below $50 million for longer than thirty consecutive days; it suspended trading in RadioShack stock on February 2 and began delisting procedures.
Split into simpler sentences: Later in January 2015, the New York Stock Exchange warned that RadioShack would be delisted if its average market capitalization remained below $50 million for longer than thirty consecutive days. NYSE suspended trading in RadioShack stock on February 2 and began delisting procedures.