Make the stocks app slightly prettier.

sky/examples/stocks/companylist.sky

 <script>
+import "dart:math";
+
 // Snapshot from http://www.nasdaq.com/screening/company-list.aspx
 // Fetched 2/23/2014.
 // "Symbol","Name","LastSale","MarketCap","IPOyear","Sector","industry","Summary Quote",
 final List<List<String>> _kCompanyList = [
   ["TFSC","1347 Capital Corp.","9.43","\$56.09M","2014","Finance","Business Services","http://www.nasdaq.com/symbol/tfsc"],
   ["TFSCR","1347 Capital Corp.","0.37","n/a","2014","Finance","Business Services","http://www.nasdaq.com/symbol/tfscr"],
   ["TFSCU","1347 Capital Corp.","9.97","\$41.67M","2014","n/a","n/a","http://www.nasdaq.com/symbol/tfscu"],
   ["TFSCW","1347 Capital Corp.","0.2","n/a","2014","Finance","Business Services","http://www.nasdaq.com/symbol/tfscw"],
   ["PIH","1347 Property Insurance Holdings, Inc.","7.66","\$48.7M","2014","Finance","Property-Casualty Insurers","http://www.nasdaq.com/symbol/pih"],
   ["FLWS","1-800 FLOWERS.COM, Inc.","10.32","\$667.78M","1999","Consumer Services","Other Specialty Stores","http://www.nasdaq.com/symbol/flws"],
@@ skipping 2954 matching lines @@
   ["ZU","zulily, inc.","14.4","\$1.8B","2013","Consumer Services","Catalog/Specialty Distribution","http://www.nasdaq.com/symbol/zu"],
   ["ZUMZ","Zumiez Inc.","38.77","\$1.13B","2005","Consumer Services","Clothing/Shoe/Accessory Stores","http://www.nasdaq.com/symbol/zumz"],
   ["ZNGA","Zynga Inc.","2.32","\$2.09B","2011","Technology","EDP Services","http://www.nasdaq.com/symbol/znga"],
 ];
 
 class Stock {
   String symbol;
   String name;
   double lastSale;
   String marketCap;
+  double percentChange;
 
   Stock(this.symbol, this.name, this.lastSale, this.marketCap);
 
   Stock.fromFields(List<String> fields) {
     // FIXME: This class should only have static data, not lastSale, etc.
     // "Symbol","Name","LastSale","MarketCap","IPOyear","Sector","industry","Summary Quote",
     lastSale = 0.0;
     try{
       lastSale = double.parse(fields[2]);
     } catch(_) {}
     symbol = fields[0];
     name = fields[1];
     marketCap = fields[4];
+    var rng = new Random();
+    percentChange = (rng.nextDouble() * 20) - 10;
   }
 }
 
 class StockOracle {
   List<Stock> stocks;
 
   StockOracle(this.stocks);
 
   StockOracle.fromCompanyList(List<List<String>> list) {
     stocks = list.map((fields) => new Stock.fromFields(fields)).toList();
   }
 
   Stock lookupBySymbol(String symbol) {
     this.stocks.forEach((stock) {
       if (stock.symbol == symbol)
         return stock;
     });
     return null;
   }
 }
 
 final StockOracle oracle = new StockOracle.fromCompanyList(_kCompanyList);
 
 </script>