The phrase "and still increase" is correct and usable in written English.
It can be used when discussing growth or improvement that continues despite other factors or conditions.
Example: "Despite the challenges faced by the company, sales have managed to remain steady and still increase over the past quarter."
Alternatives: "and continue to grow" or "and keep rising".
"I think it would be an amazing achievement to cut $1 billion in costs" and still increase profitability, said Gordon Hodge, an analyst with Thomas Weisel Partners.
The genomic selection breeding schemes could reduce the rate of inbreeding and still increase genetic gain, compared with the conventional breeding scheme.
Many liberal groups counter that ending the breaks, subsidies and shelters in the corporate tax code could provide enough money to lower the rate several percentage points and still increase revenue.
President Bush's budget director and defense secretary mounted a vigorous defense of the Bush budget today in separate appearances on Capitol Hill, insisting that the administration and Congress could protect the Social Security surplus and still increase military and education spending.
Result: Where Enron would turn up its nose at a $100 million pipeline throwing off $12 million a year in profits, Kinder Morgan can issue partnership units to buy such an asset and still increase its dividend.
Agents wonder how NFL teams can roll back salaries and still increase ticket prices.
Meanwhile, new regulation is hampering potential competition: Fannie and Freddie have doubled their insurance fees and still increased their market share.All this has led to handsome profits: $118 billion this year alone.
Staked out on the edge of a flat, casting at tarpon moving along the edge never, ever gets old, and still increases my heart rate.
Activist investor Carl Icahn pressured Apple to return more of its massive (and still increasing) cash pile to investors back in 2013.
These chains are almost anywhere around the world and holds extremely large and still increasing shares of total turnover of the food sector.
The use of fossil resources took place during the twentieth century and still increasing in the beginning of the twenty-first century.
