Net profit rose 28% to a record $90.9 million.
Koor would have reaped a large capital gain had it sold half its stake in the agrochemicals maker.
Fidelity has now become the third largest investor in the company.
Wanaka Capital Partners and C. Mer Industries invested in the company.
Good results from competitors imply a strong market.
A peep into the profitable, but risky, world of arbitrage.
Analyst Dan Harverd: Israel Corp.'s stake in subsidiary Israel Chemicals is worth more than the parent's company's total market cap.
The bank gives the share a price target of NIS 100, 51.5% above today's opening price.
Spot prices for potash soar, and carry share prices with them.
Belarusian Potash Company sold potash to Brazilian and Asian customers at $1,000 per tonne.
Workers are unhappy with reports of a Koor sale.
"The good times have just begun."
The company has abandoned negotiations on an investment in Tata Teleservices.
The price reflects an increase of $355 per ton over the price in the previous contract.
Petrochemicals Enterprises is also in talks to sell its Scailex stake to Suny.
Sources: Ben-Dov may sell Tao Tsuot and Suny's stakes in Scailex to Israel Corp.