Penny stock under ₹10: Deep Diamond India share price hits upper circuit despite stock market sell-off by Live mint | October 24, 2025 2:09 pm | Indian Stocks, Market, News Penny stock under ₹10: Deep Diamond India share price has rallied 15% in one week and has jumped 88% in one month. The smallcap penny stock has surged 76% in six months, while it has risen 23% on a year-to-date (YTD) basis.