It also led regional peers in terms of daily trading value for the fifth consecutive year while also attracting the highest inflows of more than copy billion from Jan 1 to June 30 this year.SET president Kesara Manchusree said on Tuesday that as of June 30 this year the SET index continued to rise to 1,444.99, generating a return on investment of 12.2% in baht terms or 15.2% in US dollar from the end of last year.