Clean Diesel Technologies Inc. (NASDAQ:CDTI) on Nov. 4 announced new proprietary technology to replace costly use of platinum group and rare earth metals in catalytic converters. CDTi has been granted the first two of a family of patents for Spinel™, a proprietary clean emissions exhaust technology that will dramatically reduce the cost of attaining more stringent clean air standards. Clean Diesel Technologies Inc. (NASDAQ:CDTI) belongs to Industrial Goods sector. Its net profit margin is -15.80% and weekly performance is 73.71%. On last trading day company shares ended up $3.04. Clean Diesel Technologies Inc. (NASDAQ:CDTI) distance from 50-day simple moving average (SMA50) is 57.02%. Twitter Inc. (NYSE:TWTR) has proposed constructing a sky bridge between its headquarters’ two buildings in San Francisco. The bridge would link several floors of Twitter’s offices between 1 10th St. and 1355 Market St., the company said. The microblogging service said the project, which is awaiting approval from city officials, would save employees time because they wouldn’t have to go downstairs and cross the street during the work day. Twitter Inc (NYSE:TWTR) shares increased 1.72% in last trading session and ended the day at $40.90. TWTR Gross Margin is 63.80% and its return on assets is -24.50%. Twitter Inc (NYSE:TWTR) quarterly performance is -5.89%. Wilshire Bancorp (NASDAQ:WIBC) EVP Peter Koh unloaded 10,000 shares of the company’s stock in a transaction dated Thursday, October 30th. The shares were sold at an average price of $9.81, for a total transaction of $98,100.00. Following the completion of the sale, the executive vice president now directly owns 54,349 shares of the company’s stock, valued at approximately $533,164. On 04 November, Wilshire Bancorp Inc. (NASDAQ:WIBC) shares fell -0.30% and was closed at $10.06. WIBC EPS growth in last 5 year was -6.70%. Wilshire Bancorp Inc. (NASDAQ:WIBC) year to date (YTD) performance is -6.33%. Platinum Underwriters Holdings Ltd.’s (NYSE:PTP) third-quarter operating earnings of $1.04 per share missed the Zacks Consensus Estimate by 3 cents. Platinum Underwriters Holdings Ltd. (NYSE:PTP) ended the last trading day at $62.22. Company weekly volatility is calculated as 1.47% and price to cash ratio as 1.15. Platinum Underwriters Holdings Ltd. (NYSE:PTP) showed a weekly performance of 0.86%. Vicor Corp (NASDAQ:VICR) VP Richard E. Zengilowski unloaded 15,000 shares of the stock on the open market in a transaction that occurred on Thursday, October 30th. The shares were sold at an average price of $13.06, for a total transaction of $195,900.00. Following the transaction, the vice president now directly owns 560 shares in the company, valued at approximately $7,314. Vicor Corp. (NASDAQ:VICR) shares fell -0.37% in last trading session and ended the day at $13.29. VICR Gross Margin is 42.90% and its return on assets is -16.70%. Vicor Corp. (NASDAQ:VICR) quarterly performance is 69.52%.