A solid second quarter had Dow Chemical (DOW) - Get Report shares on the rise Thursday. The specialty chemicals maker reported earnings of $0.95 a share, ten cents better than expected. Revenue of $11.95 billion also beat forecasts. Dow's efficiency push delivered $90 million in productivity savings, bringing the first half total to nearly $180 million in savings, which is tracking ahead of the 2016 target of $300 million. Dow's shares are up four percent since the beginning of the year.