those listed on the main board of the tokyo stock exchange reported on thursday. 6 a survey by snbc nikko securities shows the total ordinary profit of the 277 companies that had reported earnings by wednesday rose 45% in yen terms compared to a year ago. 29% of those companies have revised upward their full-year profit pjections through 2014. struggling electronics companies are making a sharp come back. panasonic has reported a net profit of $1.7 billion for the april-september period. that's a record high for midyear earnings. the company sustained a loss of nearly $7 billion in the same period last year. meanwhile, sharp's operating profit rose to nearly $350 million. that's a big improvement from a loss of $1.7 billion posted a year ago. and sony saw a jump in operating profit by 40% helped by strong sales of smartphones and the yen's weakness. an analyst we spoke to pointed to some uncertainties though. >> translator: if companies don't spend their higher profits for capital investment and increased wages, they won't be able to bring about a positive cycle for economic growth. >> sh