Shanghai Stock Exchange investigated 280 suspect
transactions in 2006, said a report released by the bourse on Monday, a low
figure given the volume of exchanges on one of the world's hottest stock
Trying to put as good a slant on things as possible, the bourse said that
supervisors telephoned managers of relevant companies 356 times to call their
attention to dubious transactions and talked with senior officials of ten listed
They also assisted probes by the China Securities Regulatory Commission into
21 cases, said the report.
The bourse strengthened pre-transaction risk control last year and restricted
trading of 1,363 nonstandard accounts belonging to twenty companies to weed out
corporate accounts masquerading as individual accounts.
The bourse suspended transactions of ten listed companies and stopped six
The low investigation figures cited in the report point to the difficulty of
monitoring big shareholders and specialized investment institutions.
According to the report, it is also difficult to oversee qualified foreign
institutional investors and prevent insider dealings.
The introduction of new financial derivatives have aggravated transaction
risks and raised market supervision requirements.
Supervisors need to intelligently handle trans-market issues, the report
Last month a Shanghai-listed company suspected of rigging stock prices with a
bogus contract announcement, was banned from trading. This indicated the
authorities were trying to take a tougher stance on malpractice, said
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