CAIRO: The three main Egyptian stock indexes finished down this week largely due to intense Arab and foreign sell-offs and massive losses in the U.S. stock exchange. Despite heavy buying in the later stages of today's session, the exchange had lost 3.8 million EGP (U.S. $637,511) at the end of today's trading. The Egyptian market gained 11 billion EGP (U.S. $1.8 billion) yesterday. The main EGX 30 index fell 1.4 percent to end the day at 4,595 points; the medium-market EGX 70 shed 1.5 percent with overall transactions reaching 376.6 million EGP (U.S. $63.1 million). Foreign investors were responsible for 29.87 percent of transactions, equaling 4.4 million EGP (U.S. $738,170), and Arab investing accounted for 5.17 percent of transactions, equaling 20.6 million EGP (U.S. $3.5 million). Egyptian trading comprised 64.96 percent of total transactions, equaling 25.1 million EGP (U.S. $4.2 million). Institutional trading and individual trading comprised 45.86 percent and 54.13 percent, respectively, both totaling 14.5 million EGP (U.S. $2.4 million).