Short term speculators and longer term investment managers

Reference

Stock trader - Wikipedia, the free encyclopedia
"A Stock Trader or Stock Investor is a securities professional or firm, who buys and sells securities, such as stocks and bonds. The individuals or firms trading in a principal capacity sometimes call themselves stock traders or simply traders. Many people across the world can call themselves stock traders or part-time stock traders, despite of having another profession in parallel with their regular trading activities in the financial markets. ..."