A serious problem in the Tel Aviv Stock Exchange computer system brought trading to a halt for approximately half an hour on Thursday afternoon.
The TASE said that the source of the problem was under investigation.
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Experts were looking at every scenario, including the possibility that the TASE had been targeted by a cyberattack.
Trading has reopened. Shortly before the close of business on Thursday, it was unclear if and how the snafu had affected investors or whether it had caused major economic damage.
Prior to the system being taken offline, the TASE's main indices were up by some 0.8%, a reflection of investor optimism following progress toward vaccines.
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