Top stocks

Rank	Company	Headquarters	Stock price change
1	L.B. Foster	Green Tree	99.6%
2	Alcoa	Pittsburgh	91.8%
3	Ansys	Cecil	59.6%
4	Universal Stainless & Alloy Products	Bridgeville	58.6%
5	II-VI	Saxonburg	58.4%
6	Kennametal	Pittsburgh	54.9%
7	Allegheny Technologies	Pittsburgh	51.5%
8	Arconic	New York	47%
9	Bombardier	Montreal	39.6%
10	Thermo Fisher Scientific	Waltham, Mass.	34.6%
11	FedEx Corp.	Memphis	34%
12	Evoqua Water Technologies	Pittsburgh	28.9%
13	Federated Investors	Pittsburgh	27.6%
14	Koppers	Pittsburgh	26.3%
15	Calgon Carbon	Moon	25.3%
16	Emerson Electric	St. Louis	25%
17	American Eagle Outfitters	South Side	23.9%
18	Royal Philips Electronics	Netherlands	23.7%
19	PNC Financial Services Group	Pittsburgh	23.4%
20	PPG	Pittsburgh	23.3%
21	Bayer	Germany	19.3%
22	Citizens Financial Group	Providence, R.I."	17.8%
23	Eaton	Ireland	17.8%
24	Comcast	Philadelphia	16%
25	NiSource	Merrillville, Ind.	15.9%
26	Bank of New York Mellon	New York	13.7%
27	Siemens AG	Germany	13.2%
28	AmeriServ	Johnstown	12.2%
29	MSA Safety	Cranberry	11.8%
30	Mylan	Netherlands	10.9%
31	KeyCorp	Cleveland	10.7%
32	Covestro	Germany	7.1%
33	U.S. Steel	Pittsburgh	6.6%
34	Dominion Energy	Richmond, Va.	5.8%
35	TriState Capital Holdings	Pittsburgh	4.1%
36	Wesco International	Pittsburgh	2.4%
37	S&T Bancorp	Indiana	2%
38	Commercial National Financial	Latrobe	1.1%
39	First Commonwealth Financial	Indiana	1%
40	Verizon Communications	New York	-0.8%
41	First Energy	Akron	-1.1%
42	Wabtec	Wilmerding	-1.9%
43	Limbach Holdings	Pittsburgh	-1.9%
44	WVS Financial	McCandless	-2.5%
45	Lanxess	Germany	-3.4%
46	CNX Resources	Cecil	-3.8%
47	WesBanco	Wheeling	-5.6%
48	Northwest Bancshares	Warren	-7.2%
49	Toshiba	Japan	-7.9%
50	ExOne Company	North Huntingdon	-10.1%