(plagiarised, but-not for publication on pain of death for being a rogue trader)

 foreigner who buys shares		investor
 foreigner who sells shares		speculator
 foreigner who short-sells shares	manipulator
 foreigner who lends shares for		conspirator
  short-selling

 Malaysian who buys shares		patriot
 Malaysian who sells shares		betrayer
 Malaysian who short-sells shares	economic saboteur
 Malaysian who lends shares for		traitor
  short-selling-

 foreign analyst/economist who		ISA detainee
  is bearish
 Malaysian analyst/economist who	Who? Never heard of him.
  is bearish