Why should this market bounce. Did the banks start suddenly...

Why should this market bounce. Did the banks start suddenly making a lot more money or was it the same or less than last year, did the miners start making more money or was it the same as last year , did the retailers make more money or was it less or the same as last year ,
SO Why did all their shares go up ,
Interest rates set to rise , cost pressures on companies . What about GDP